Revert "property_service.c: adding support for getprop and listprop"

This reverts commit caccb810a7bb498b96528dc11fc22b0fb5b9e855.
property_service.c: adding support for getprop and listprop

Change-Id: Ie5fbdb55c48038ce8250f27500623b3b81cc5cd1
Signed-off-by: Jani Monoses <jani@ubuntu.com>
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>